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Old 05-04-2022, 02:40 AM   #38
timurrrr
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Join Date: May 2019
Drives: 2022 GR86
Location: Between Sonoma and Laguna Seca
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Quote:
Originally Posted by Breezio View Post
I thought you had to read CANBUS to get brake pedal pressure on the twins and the ODBLink MX+ doesn't do that?
Good news:
OBDLink MX+ can listen to the data on the CAN bus, and RaceChrono supported that for at least a year now.
Other proper implementations of ELM327 should also be able to read from the CAN bus, although "other proper implementations" are getting harder to find.

You can find the recommended CAN IDs and RaceChrono-style equations here:
https://github.com/timurrrr/RaceChro...can_db/ft86.md
That GitHub is about my DIY CAN bus reader I've used since mid-2020; but the info on that specific page applies to MX+ too.

My gf has been using MX+ for about a year on her ND Miata in CAN bus mode (not OBD-II mode!) and the only issues she had were due to bad equations we've used and had to refine over time.

Quote:
Originally Posted by CSG Mike View Post
That's just how biasing works. [...] you've been clued in via many signals, both human and vehicular
You've also made some (biased? you seem to like this word) assumptions here,
and then proceed to ignore my factual argument against your earlier misleading (incomplete? or even incorrect?!) comment

Quote:
Originally Posted by CSG Mike View Post
What's important to one person may not be important to another.
True, but ...

Quote:
Originally Posted by CSG Mike View Post
[...] that braking was a major area of concern for you.
... but among over a dozen novice/intermediate drivers that asked me to look at their data, in many cases I saw similar issues in braking as I had when I started looking at my own early data:
a) not generating consistent braking pressure when heel-toe'ing
or
b) jumping off the brakes abruptly instead of trailing

I don't think it's an effective use of our time to argue about whether the brake pressure is one of the most useful data channels.
Ultimately it's my opinion that it is, and it's your right to disagree.
It's up to the reader if they agree with my opinion or with your arguments against my opinion. We're just two dudes on the forum, and the hundreds of other readers of this forum thread should use their own intuition and do their own fact checking when drawing any conclusions.
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